“…102 The majority of tumours were organ-confined although, following surgery, 36% were upstaged. 102 In other studies, samples of the population were derived from a local health check, 411 following advertisement, 50,381 random selection, 412 or those attending GP or urology clinics 411 in the USA, 83,381,413 France, 411 and Israel. 412 Two other studies tackled the issue slightly differently.…”